package com.hqyj.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.hqyj.dao.AdminMapper;
import com.hqyj.pojo.Admin;
import com.hqyj.service.AdminService;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Service;

import java.util.HashMap;


/**
 * @Description
 * @Autor 伍军
 * @Date 2021/10/9 8:54
 * @Version 1.0
 **/
@Service
public class AdminServiceImpl implements AdminService {

    //注入mapper
    @Autowired(required = false)
    AdminMapper adminMapper;

    @Override
    public HashMap<String, Object> select(Admin a) {
        HashMap<String, Object> map = new HashMap<String, Object>();
        //定义分页对象
        Page<Admin> page = new Page<>(a.getPage(),a.getRow());

        //条件构造器
        QueryWrapper<Admin> queryWrapper = new QueryWrapper<>();

        queryWrapper.eq(a.getSysId()!=null,"sys_id",a.getSysId());
        queryWrapper.like(a.getSysName()!=null&&!a.getSysName().equals(""),"sys_name",a.getSysName());
            //查询数据库
        Page<Admin> aList =adminMapper.selectPage(page,queryWrapper);
            //当前页集合
        map.put("list",aList.getRecords());
            //总页数
        map.put("totalPage",aList.getPages());
            //总条数
        map.put("total",aList.getTotal());
            //当前页
        map.put("curPage",a.getPage());
        if(a.getPage()==1){
                //上一页
                map.put("prePage",1);
        }else{
                map.put("prePage",a.getPage()-1);
        }
        if(a.getPage()==aList.getPages()){
                //下一页
                map.put("nextPage",aList.getPages());
        }else{
                map.put("nextPage",a.getPage()+1);
        }
            //每页显示条数
          map.put("row",a.getRow());
        return map;
    }

    @Override
    public HashMap<String, Object> add(Admin a) {
        HashMap<String, Object> map = new HashMap<String, Object>();
        //新增
        int num = adminMapper.insert(a);
        if(num>0){
                map.put("info","保存成功");
        }else{
                map.put("info","保存错误");
        }
        return map;
    }

    @Override
    public HashMap<String, Object> update(Admin a) {
        HashMap<String, Object> map = new HashMap<String, Object>();

        //修改
        int num = adminMapper.updateById(a);
        if(num>0){
                map.put("info","保存成功");
        }else{
                map.put("info","保存错误");
        }
        return map;
    }

    @Override
    public HashMap<String, Object> del(Integer a) {
        HashMap<String, Object> map = new HashMap<String, Object>();
        //删除
        int num = adminMapper.deleteById(a);
        if(num>0){
            map.put("info","保存成功");
        }else{
            map.put("info","保存错误");
        }
        return map;
    }
}
